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Aqueous Platinum(II)‐Cage‐Based Light‐Harvesting System for Photocatalytic Cross‐Coupling Hydrogen Evolution Reaction
Author(s) -
Zhang Zeyuan,
Zhao Zhengqing,
Hou Yali,
Wang Heng,
Li Xiaopeng,
He Gang,
Zhang Mingming
Publication year - 2019
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201904407
Subject(s) - ethylene glycol , chromophore , photochemistry , aqueous solution , eosin y , platinum , chemistry , artificial photosynthesis , purple bacteria , photocatalysis , platinum nanoparticles , molecule , light harvesting complex , catalysis , water splitting , photosynthesis , photosystem ii , organic chemistry , photosynthetic reaction centre , biochemistry , electron transfer
Photosynthesis is a process wherein the chromophores in plants and bacteria absorb light and convert it into chemical energy. To mimic this process, an emissive poly(ethylene glycol)‐decorated tetragonal prismatic platinum(II) cage was prepared and used as the donor molecule to construct a light‐harvesting system in water. Eosin Y was chosen as the acceptor because of its good spectral overlap with that of the metallacage, which is essential for the preparation of light‐harvesting systems. Such a combination showed enhanced catalytic activity in catalyzing the cross‐coupling hydrogen evolution reaction, as compared with eosin Y alone. This study offers a pathway for using the output energy from the light‐harvesting system to mimic the whole photosynthetic process.